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AE45 6S LTO lithium battery

AE45 – 6S LTO Lithium Battery

$1,599.99

45ah 6S LTO lithium battery. Lithium Titanium Oxide chemistry, >40,000 cycle life, 50C constant / 75C burst discharge. Eighteen 2/0 inputs per polarity, actively balanced, assembled in the USA. 30 lbs.

Built to order · limited run · 4 available

⚡ Limited run — 4 of this build remaining. When they are gone the listing closes.
Ultimate wiring flexibility — accepts lug and direct wire connections
Inputs & wiring18+ / 18− 2/0 inputs + lug mounts

Every terminal takes a lug and direct wire at the same time, on fully machined 6061 aluminum busbars — no adapters, no distribution blocks. Running two? Battery Busbar Links join them without cable jumpers.

Need help? Installation guideCharging & safetyWarrantyIs this the right pack?

AECharger
You’ll need a way to charge it AECharger · $70.00 Programmable CV/CC bench supply. Set the voltage and current to your pack’s charging window and top it off between sessions.
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SKU: AE45
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Description

⚡ LIMITED RETURN RUN — 4 UNITS ONLY

The AE45 is back for a single limited build. We are making four of them. This is a pre-order — once all four are claimed the listing closes, and we have no plans for another run.

Features

  • Safe and proven Lithium Titanium Oxide chemistry
  • Extremely high cycle life (>40,000 cycles)
  • High discharge rate (50C constant, 75C burst)
  • Custom injection molded ABS case
  • Actively balanced
  • Fully machined 6061 aluminium busbars
    • 18x 2/0 Inputs (Positive and Negative)
    • 18x 2/0 Lug Mounting Spots (Positive and Negative)
    • All hardware included (set screws and lug screws)
  • Assembled in the USA

Dimensions

Length 18.82″ · Width 10.77″ · Height 6.55″ · Weight 30 pounds

Charging

  • Charging window 15.2 – 16.2V
  • Hard limit 16.2V — never above
  • Recommended 16.0V

We DO NOT recommend charging below 15.2V. Premature failures resulting from undercharging are not covered by warranty.

True Amplifier Power Ratings*

16.0V Charging (Recommended)

  • 32,400W – Standalone (Burst <5s)
  • 25,200W – Standalone (Burst <15s)
  • 22,800W – Standalone (Constant)
  • 24,000W – With Stock Alt
  • 25,000W – With 200A Alt
  • 26,000W – With 300A Alt

15.5V Charging

  • 27,000W – Standalone (Burst <5s)
  • 21,000W – Standalone (Burst <15s)
  • 19,000W – Standalone (Constant)
  • 20,200W – With Stock Alt
  • 21,200W – With 200A Alt
  • 22,200W – With 300A Alt

Cell Power Ratings**

16.0V Charging (Recommended)

  • 40,500W – Standalone (Burst <5s)
  • 31,500W – Standalone (Burst <15s)
  • 28,500W – Standalone (Constant)
  • 30,000W – With Stock Alt
  • 31,000W – With 200A Alt
  • 32,000W – With 300A Alt

* True Amplifier Rating is the expected power support at 80% amplifier efficiency — what your system actually sees.
** Cell Power Rating is the raw power pulled from the battery before amplifier efficiency is applied.

Pairing

Two AE45s can be linked with our Battery Busbar Links — no cable jumpers needed.

Ships at 30% state of charge and must be charged before use. Bench-charge to your system voltage before installing. Full details on our Support page.

Additional information

Weight 30 lbs
Dimensions 18.82 × 10.77 × 6.55 in

Specifications

Battery & capacity

Chemistry
LTO lithium
Capacity
45Ah
Output
22,800W constant at 16V

Discharge

Continuous
2,250A
Maximum
3,375A
Rate
50C constant, 75C burst
Discharge cutoff
—

Charging

Charging window
15.2V – 16.2V
Hard limit
16.2V — never above
Alternator
High output, 15.5V+
Minimum
15.2V — below this voids warranty

Physical & ownership

Weight
30 lbs.
Dimensions
18.82″ × 10.77″ × 6.55″
Cycle life
Over 40,000 cycles
Balancing
Active balancer, no BMS cutoff
Warranty
1-year limited

Every pack arrives at roughly 30% state of charge. Charge it to your system voltage on the bench before installing — see the installation guide.

Running more than one pack?

Charging windows & pairing.

Every pack has a voltage window it lives in. This chart is zoomed to the AE LTO so you can see at a glance what it shares a bank with — and where to set your charging system when it does.

Charging windows · zoomed to this packboth packs happy outside this pack’s window
14.5V15V15.5V16V16.5V
AE LTOthis pack
floor 15.2Vlimit 16.2V
KILO sodium15.2V – 16V together
13.8V – 16V
HP40/80 limit
AE LV LiFePO4never mixed · lithium + lithium
THE DON NMCnever mixed · lithium + lithium
  • Any other AE LTOPairs freely — same chemistry, same window.
  • KILO sodiumPairs inside 15.2V – 15.5V · set 15.5V (16V with an HP 200). Below 15.2V the AE LTO is undercharged; above the KILO’s limit the KILO suffers.
  • AE LV LiFePO4Never on one bank — lithium + lithium is unsafe.
  • THE DON NMCNever on one bank — lithium + lithium is unsafe.
How pairing works

Read the chart. Red is where this pack is outside its own window. Another chemistry can share the bank only where its bar crosses the clear area — the yellow band — and the charging system must sit inside it. Set it at the white marker, the top of the band: at the bottom of the band the pack with the higher floor is undercharged and never reaches rated output (for LTO that also voids the warranty); above the top the pack with the lower ceiling is past its hard limit.

Sodium ion is the only chemistry that mixes. Lithium chemistries (LTO, LiFePO4, NMC) are never banked together — that is unsafe, and we do not support it.

On any bank: matched cable lengths so the packs share evenly, and bring every pack to a similar state of charge before connecting.

Documentation

Everything that ships with it.

Published openly rather than hidden in the box. Read it before you buy if you want to know exactly what you are taking on.

Guide

Installation guide

Pre-charge, mounting, cable order and first power-up.

Open →Reference

Charging windows

Every window and hard limit, including the discontinued models.

Open →Safety

Safe handling

Short circuit risk, venting, and correct fire response.

Open →Testing

Cell test results

Independently tested at an accredited lab. Short circuit peaked at 70°C against a 170°C limit.

Open →Coverage

Warranty terms

What is covered, what voids it, and how to claim.

Open →Register

Register your pack

Order number, install date, charging voltage and install photos — one email and you are on file.

Open →
Before you buy

Worth reading first.

Sizing

How to size a battery bank

Amp-hours tell you how long, C-rate tells you how hard. The full calculation worked with real numbers.

Chemistry

Sodium vs LTO vs LiFePO4

Your charging voltage decides your chemistry. An honest comparison, including when the cheaper one wins.

Diagnostics

Why voltage drops on the hit

Five checks before you buy another battery. Most of the time the pack is innocent.

Charge it properlyThe AECharger lets you set your exact voltage and current — the right way to bench-charge a new pack.Running two?Busbar links join two AE30 or AE45 packs without cable jumpers.

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